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SSC Selection Post 2022 PYQ — Question 68

SSC Selection Post - Higher Secondary Level 2022 - 16 March 2022 - Shift 3 • Quantitative Aptitude • Q68

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A number is decreased by 35% then increased by 25% and then furthur increased by 15%. What is the net percentage increase/decrease in the number (correct to the nearest integer)?

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 7% decrease.

Let the number be 100.

New number = 100×65100×125100×115100100 \times \frac{65}{100} \times \frac{125}{100} \times \frac{115}{100}

⇒ 93.44

Required percentage = [(100 - 93)/100] × 100 = 7% decrease